Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Allowance for Doubtful Accounts	$ 3,107	$ 1,317
Convertible preferred stock outstanding (in shares)	15,000	0
Common stock par value (in dollars per share)	$ 0.001	$ 0.001
Common stock authorized (in shares)	170,000,000	170,000,000
Common stock issued (in shares)	19,299,228	18,190,054
Common stock outstanding (in shares)	19,173,845	18,098,464
Treasury stock (in shares)	125,383	91,590
Convertible preferred stock
Convertible preferred stock par value (in dollars per share)	$ 0.001
Convertible preferred stock authorized (in shares)	1,150,000
Convertible preferred stock issued (in shares)	14,649
Convertible preferred stock outstanding (in shares)	14,649

Amount of allowance for credit loss on accounts receivable.

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